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104 ALABAMA 400 ft. ALASKA Not less than 10 s of travel distance at the 85th percentile or posted speed, whichever is higher. ARIZONA 400 ft. CALIFORNIA Not less than the minimum passing sight distance shown in Table 3B-1 of the MUTCD for the prevailing speed. COLORADO 400 ft per Paragraph 3 of Section 3B.02 of the MUTCD. IDAHO 400 ft for speed limits of 45 mph or less. 450 ft for speed limit of 50 mph. 500 ft for speed limit of 55 mph. 550 ft for speed limit of 60 mph. 600 ft for speed limit of 65 mph. ILLINOIS 400 ft for speeds of less than 60 mph. 600 ft for speeds of 60 mph or more. If the gap between consecutive no-passing zones is be- tween 600 and 800 ft, connecting the no-passing zones is optional. INDIANA 420 ft for speed limit of 30 mph. 480 ft for speed limit of 35 or 40 mph. 530 ft for speed limit of 45 mph. 580 ft for speed limit of 50 mph. 730 ft for speed limit of 55 mph. 860 ft for speed limit of 60 mph. 1,000 ft for speed limit of 65 mph. (All of these are shown in metric units in the design standards.) IOWA 400 ft. KENTUCKY 400 ft, except that on low-volume roads with low speeds and infrequent passing opportunities, this distance may be short- ened to 200 ft. MINNESOTA 500 ft for 85th percentile speeds of 20 to 39 mph. 650 ft for 85th percentile speeds of 40 to 54 mph. 800 ft for 85th percentile speeds of 55 mph or higher. MONTANA 1,000 ft. NEW YORK 400 ft. NORTH DAKOTA 400 ft. OHIO 400 ft for speeds of less than 50 mph. 600 ft for speeds of 50 mph or more. OREGON 400 ft. PENNSYLVANIA 400 ft. APPENDIX J Minimum Length of Passing Zones
105 VIRGINIA 500 ft. WEST VIRGINIA 400 ft. WISCONSIN 528 ft for speed limits of 40 mph or less. 686 ft for speed limit of 45 or 50 mph. 792 ft for speed limit of 55 mph. (These dimensions are shown as 0.10, 0.13, and 0.15 miles in the design standards.) WYOMING 280 ft for speed limit of 25 mph. 320 ft for speed limit of 30 mph. 370 ft for speed limit of 35 mph. 410 ft for speed limit of 40 mph. 500 ft for speed limit of 45 mph. 550 ft for speed limit of 50 mph. 650 ft for speed limit of 55 mph. 700 ft for speed limit of 60 mph. 850 ft for speed limit of 65 mph or more. TUCSON/PIMA COUNTY, AZ 400 ft. No standards were found for: Arkansas Connecticut Delaware Florida Georgia Hawaii Kansas Louisiana Maine Maryland Massachusetts Michigan Mississippi Missouri Nebraska Nevada New Hampshire New Jersey New Mexico North Carolina Oklahoma Rhode Island South Carolina South Dakota Tennessee Texas Utah Vermont Washington District of Columbia Puerto Rico Charlotte, NC Los Angeles, CA New York, NY
